Masyu by Grant Fikes
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or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s)
Theme: Logical
Author/Opus: This is the 199th puzzle from our contributing puzzlemaster Grant Fikes.
Rules: Standard Masyu rules.
Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 7:30, Master = 10:00, Expert = 20:00
Solution: PDF
Note: Follow this link for other classic Masyu. If you are new to this puzzle type, here are our easiest Masyu to get started on.
Oh my, that ending stumped me completely. I was staring at this for at least 30 minutes with two places still to resolve, and i was absolutely sure that the puzzle could not be unique. I checked every single circle to find my mistake. Then i checked the solution to find my mistake. When i did not find one even there, i finally realized how the puzzle solved. This was brilliant! I had not encountered this in a masyu before and shading the inside of the loop to better visualize it certainly did not help here.. amazing puzzle!
Now I wonder what I skipped by using uniqueness… Off to solve once more.
33:08.Nice
60:35